201620646531

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{305329}}^1$

素因数の和:306036

約数の個数: 32

約数和(自身を含む): 307235259200

約数和(自身を除く): 105614612669

約数列:

[1, 3, 9, 27, 37, 111, 333, 661, 999, 1983, 5949, 17847, 24457, 73371, 220113, 305329, 660339, 915987, 2747961, 8243883, 11297173, 33891519, 101674557, 201822469, 305023671, 605467407, 1816402221, 5449206663, 7467431353, 22402294059, 67206882177, 201620646531]

約数ペア:

[(1, 201620646531), (3, 67206882177), (9, 22402294059), (27, 7467431353), (37, 5449206663), (111, 1816402221), (333, 605467407), (661, 305023671), (999, 201822469), (1983, 101674557), (5949, 33891519), (17847, 11297173), (24457, 8243883), (73371, 2747961), (220113, 915987), (305329, 660339)]